<template>
	<div :class="className" :style="{ height: height, width: width }" />
</template>

<script>
import * as echarts from 'echarts';
require('echarts/theme/macarons'); // echarts theme
import resize from './mixins/resize';

export default {
	mixins: [resize],
	props: {
		className: {
			type: String,
			default: 'chart',
		},
		width: {
			type: String,
			default: '100%',
		},
		height: {
			type: String,
			default: '300px',
		},
	},
	data() {
		return {
			chart: null,
		};
	},
	mounted() {
		this.$nextTick(() => {
			this.initChart();
		});
	},
	beforeDestroy() {
		if (!this.chart) {
			return;
		}
		this.chart.dispose();
		this.chart = null;
	},
	methods: {
		initChart() {
			this.chart = echarts.init(this.$el, 'macarons');

			this.chart.setOption({
				tooltip: {
					trigger: 'item',
					formatter: '{a} <br/>{b} : {c} ({d}%)',
				},
				legend: {
					left: 'center',
					bottom: '10',
					data: ['Industries', 'Technology', 'Forex', 'Gold', 'Forecasts'],
				},
				series: [
					{
						name: 'WEEKLY WRITE ARTICLES',
						type: 'pie',
						roseType: 'radius',
						radius: [15, 95],
						center: ['50%', '38%'],
						data: [
							{ value: 320, name: 'Industries' },
							{ value: 240, name: 'Technology' },
							{ value: 149, name: 'Forex' },
							{ value: 100, name: 'Gold' },
							{ value: 59, name: 'Forecasts' },
						],
						animationEasing: 'cubicInOut',
						animationDuration: 2600,
					},
				],
			});
		},
	},
};
</script>
